gov - robtex.com
gov
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.ns.gov β | ||||||
| A | 2001:503:ff40::1πΊπΈ CLOUDFLARESPECTRUM2001:503:ff40::/48 .gov TLD | Cybersecurity & Infrastructure Security Agency | ||||||
| PTR | a.ns.gov | ||||||
| A | 199.33.230.1πΊπΈ CLOUDFLARESPECTRUM199.33.230.0/24 .gov TLD | Cybersecurity & Infrastructure Security Agency | ||||||
| PTR | a.ns.gov | ||||||
| NS | b.ns.gov | ||||||
| A | 2001:503:ff41::1πΊπΈ CLOUDFLARESPECTRUM2001:503:ff41::/48 .gov TLD | Cybersecurity & Infrastructure Security Agency | ||||||
| PTR | b.ns.gov | ||||||
| A | 199.33.231.1πΊπΈ CLOUDFLARESPECTRUM199.33.231.0/24 .gov TLD | Cybersecurity & Infrastructure Security Agency | ||||||
| PTR | b.ns.gov | ||||||
| NS | c.ns.gov | ||||||
| A | 2001:503:ff42::1πΊπΈ CLOUDFLARESPECTRUM2001:503:ff42::/48 .gov TLD | Cybersecurity & Infrastructure Security Agency | ||||||
| PTR | c.ns.gov | ||||||
| A | 199.33.232.1πΊπΈ CLOUDFLARESPECTRUM199.33.232.0/24 .gov TLD | Cybersecurity & Infrastructure Security Agency | ||||||
| PTR | c.ns.gov | ||||||
| NS | d.ns.gov | ||||||
| A | 2001:503:ff43::1πΊπΈ CLOUDFLARESPECTRUM2001:503:ff43::/48 .gov TLD | Cybersecurity & Infrastructure Security Agency | ||||||
| PTR | d.ns.gov | ||||||
| A | 199.33.233.1πΊπΈ CLOUDFLARESPECTRUM199.33.233.0/24 .gov TLD | Cybersecurity & Infrastructure Security Agency | ||||||
| PTR | d.ns.gov | ||||||
| SOA | a.ns.govdns@cloudflare.com serial=1784834642 | ||||||
(root)
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.root-servers.net β β οΈ Not in parent delegation | ||||||
| NS | b.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | c.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | d.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | e.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | f.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | g.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | h.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | i.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | j.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | k.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | l.root-servers.net β οΈ Not in parent delegation | ||||||
| NS | m.root-servers.net β οΈ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-07-23 #2 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
βNSa.gov-servers.net2015-09-04 β 2022-01-12 Β· 4 obs
β 2015-09-04 00:47:10
β 2022-01-12 02:26:32
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
β 2022-01-12 02:26:32
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
βNSa.ns.gov2026-02-16 β 2026-07-23 Β· 3 obs
β 2022-01-12 02:26:32
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
βNSa.usadotgov.net2015-09-04 β 2017-01-24 Β· 4 obs
β 2015-09-04 00:47:10
β 2017-01-24 05:21:48
β 2017-01-25 06:40:28
β 2026-07-23 20:22:52
β 2017-01-24 05:21:48
β 2017-01-25 06:40:28
β 2026-07-23 20:22:52
βNSb.gov-servers.net2015-09-04 β 2022-01-12 Β· 4 obs
β 2015-09-04 00:47:10
β 2022-01-12 02:26:32
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
β 2022-01-12 02:26:32
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
βNSb.ns.gov2026-02-16 β 2026-07-23 Β· 3 obs
β 2022-01-12 02:26:32
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
βNSc.gov-servers.net2017-05-04 β 2022-01-12 Β· 5 obs
β 2017-01-25 06:40:28
β 2017-05-04 09:07:52
β 2022-01-12 02:26:32
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
β 2017-05-04 09:07:52
β 2022-01-12 02:26:32
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
βNSc.ns.gov2026-02-16 β 2026-07-23 Β· 3 obs
β 2022-01-12 02:26:32
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
βNSd.gov-servers.net2017-05-04 β 2022-01-12 Β· 5 obs
β 2017-01-25 06:40:28
β 2017-05-04 09:07:52
β 2022-01-12 02:26:32
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
β 2017-05-04 09:07:52
β 2022-01-12 02:26:32
β 2026-02-16 17:00:22
β 2026-07-23 20:22:52
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| gov | a.ns.gov, b.ns.gov, c.ns.gov, d.ns.gov | - |
β Authoritative Response
Server:199.33.231.1
NS records: a.ns.gov, b.ns.gov, c.ns.gov, d.ns.gov
π DNSSEC Status
π Secure (DNSSEC validated)
Chain of trust verified from root to domain
β±οΈ Timing
Total: 97ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | a.ns.gov, c.ns.gov... |
| SOA | 1 | a.ns.gov dns.cloudflare.com |
Analysis
Hierarchy
gov is a parent domain of elmspringsar.gov, ncinvestment.gov, vaidenms.gov, coronaca.gov, gilfordnh.gov and tens of thousands of other host names.
Name Servers
gov has four authoritative name servers: a.ns.gov, b.ns.gov, c.ns.gov and d.ns.gov.
Four hostnames, each resolving to a pair of IP addresses: a.ns.gov directs to 199.33.230.1 and 2001:503:ff40::1; b.ns.gov directs to 199.33.231.1 and 2001:503:ff41::1; c.ns.gov directs to 199.33.232.1 and 2001:503:ff42::1; d.ns.gov directs to 199.33.233.1 and 2001:503:ff43::1.